she was released, though, and reportedly actually went back to the reception, which had apparently started without her. well, in california, paco the crime-fighting canine to the rescue. the 10-pound little guy looks like your average chihuahua but he's got the temper of a pit bull. this video right here, two would-be robbers, one armed with a rifle, burst into paco's owner's shop and demanded all the cash. before you know it a furious paco attacks, jumping, and biting, and when the men try to flee the store, he chases them down the street, nipping at their heels the whole way. his owner says paco was a rescue dog, and is just returning the favor. >> when you rescue a dog from the pound, you never know when you're going to need him. >> neither paco nor his owner were hurt. the police are still looking for the two would-be bandits. way to go, paco. this morning on "the early show," infamous internet sensation rebecca black. i'm betty nguyen. this is the "cbs morning news." black. i'm betty nguyen. this is the thbs "morning news."